TY  - RPRT
TI  - Map showing approximate ground-water conditions in the Parker quadrangle, Arapahoe and Douglas Counties, Colorado
AU  - J. O. Maberry
AU  - E. R. Hampton
PY  - 1972
DO  - 10.3133/i770k
UR  - https://pubs.usgs.gov/publication/i770K
ID  - i770K
ER  -